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Home » Topics » HVAC Contracting » Technical

Technical
Technical RSS Feed RSS

Energy savings using insulating valve covers

Steam Tip: Install Removable Insulation on Valves and Fittings

Protects personnel and provides energy savings
September 19, 2016

During maintenance of steam systems, the insulation that covers pipes, valves, and fittings is often damaged or removed and not replaced. Pipes, valves, and fittings that are not insulated can be safety hazards and sources of heat loss.


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Catalyst Energy Innovation Prize

Startups Win DOE Funding to Develop Software for Building Efficiency

Catalyst prize winners move products closer to commercialization
September 5, 2016

The U.S. Department of Energy (DOE) announced follow-on funding for the two Buildings topic winners of the Catalyst Energy Innovation Prize. The companies, Kinetic Buildings and Livable Analytics, are developing software to diagnose faulty building HVAC operation and to better understand building occupant satisfaction.


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air pollution

Air Pollution Report Indicates Need for Better Filtration

Vast majority in urban areas are exposed to air quality levels that exceed WHO’s limits
August 22, 2016

With poor air quality remaining a major public health problem in many cities, the World Health Organization (WHO) has issued a new report aiming to encourage countries to take more actions that will reduce the negative impact of air pollution.


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large rainwater reuse system

Exploring Water Reuse, Reconsidering Water Filtration

Making maximum use of a finite resource
Greg Mazurkiewicz
August 8, 2016

The recent severe drought in California that led to water rationing, followed by the Flint, Michigan, water crisis due to lead in the water supply, has emphasized the vital importance of water as a natural resource. In light of this, rainwater reuse systems and water filtration are two subjects that deserve a closer look.


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model predictive control

QCoefficient Uses EnergyPlus to Reduce Willis Tower Energy Bills

A look at model predictive control (MPC) in action
Amir Roth, Ph.D.
July 18, 2016

The traditional, and still dominant, uses of energy modeling are all associated with building design, such as HVAC system selection and sizing and code compliance. But energy modeling has impactful post-occupancy uses as well.


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energy saving motor

New Refrigeration Motor Cuts Supermarket Energy Usage

DOE verified demos show energy savings of up to 80%
July 4, 2016

Through a the U.S. Department of Energy (DOE) Small Business Innovation Research (SBIR) grant, Kansas City, Missouri-based QM Power recently commercialized a high-efficiency motor for commercial refrigerators that has the potential to transform the market.


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water damage caused by clogged a/c condensate drain line

Ensuring Proper Condensate Drain Management

A clogged condensate drain line can be big trouble
Louisa Bir
June 20, 2016

Did you know that an HVAC system can produce up to 20 gallons of water a day? Due to this fact, as much as 90 percent of central air conditioning service calls are to address water leaks caused by condensation.


Read More
refrigerated display case

Retro-Commissioning Service Cuts Energy Use and Cost for Two Grocery Chains

SINGH360 Helps Strack & Van Til and Coborn’s trim energy consumption
June 6, 2016

Two prominent grocery chains in the Upper Midwest are reducing their energy use and cutting energy cost by retro-commissioning their stores. The chains have done so with the help of SINGH360, a service provider that specializes in working with grocery chains.


Read More
green office environment

Green Office Environments Linked with Higher Cognitive Function Scores

Improved IAQ could significantly improve the performance of workers
May 23, 2016

People who work in well-ventilated offices with below-average levels of indoor pollutants and carbon dioxide (CO2) have significantly higher cognitive functioning scores — in crucial areas such as responding to a crisis or developing strategy — than those who work in offices with typical levels, according to a new study.


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checking an HVAC system at Barksdale Air Force Base

HVAC Airmen Have One Cool Mission

One of the most important things is to maintain cooling systems for server rooms
Luke Hill
May 9, 2016

Barksdale Air Force Base is no stranger to hot weather, which can be a constant battle for maintainers and others who work out in the elements. Thankfully, 2nd Civil Engineer Squadron HVAC Airmen ensure there’s a cool place to escape to while also providing other benefits of heating and cooling that directly affect the mission.


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